Greater Castle Forest Weather Forecast

    • 48
    • 75

    Sunny

    • 47
    • 76

    Mostly Sunny

    • 47
    • 75

    Sunny

    • 49
    • 79

    Sunny

    • 55
    • 80

    Sunny

    • 57
    • 83

    Mostly Sunny

Today 31 Oct Hays

Sunny. Highs in the mid 70s. South Winds around 5 Mph.

Tonight 31 Oct Hays

Clear. Lows in the upper 40s. Southeast Winds around 5 Mph.

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Greater Castle Forest Temperature Statistics

October Temperature

San Marcos, San Marcos Municipal Airport (5.6 miles)

  • Lowest 20 October, 2025

    57.9 °F

  • Average October

    78.2 °F

  • Highest 1 October, 2025

    96.1 °F

Climate (2020–Present)

San Marcos, San Marcos Municipal Airport (5.6 miles)

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  • Average Low 2020–2025

    59.3 °F

  • Average 2020–2025

    70.1 °F

  • Average High 2020–2025

    81.8 °F
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